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SubjectRe: [PATCH v6 1/4] ipmi: ssif_bmc: Add SSIF BMC driver
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On 15/03/2022 01:15, Jae Hyun Yoo wrote:
> Hi Quan,
>
> [...]
>
>> +static void on_read_requested_event(struct ssif_bmc_ctx *ssif_bmc, u8
>> *val)
>> +{
>> +    if (ssif_bmc->state == SSIF_READY ||
>> +        ssif_bmc->state == SSIF_START ||
>> +        ssif_bmc->state == SSIF_REQ_RECVING ||
>> +        ssif_bmc->state == SSIF_RES_SENDING) {
>> +        ssif_bmc->state = SSIF_BAD_SMBUS;
>> +        dev_warn(&ssif_bmc->client->dev,
>> +             "Warn: %s unexpected READ REQUESTED in state=%s\n",
>> +             __func__, state_to_string(ssif_bmc->state));
>
> It will print out that the case happens in SSIF_BAD_SMBUS state always
> because ssif_bmc->state is already assigned as SSIF_BAD_SMBUS above.
> Move the assignment to after the dev_warn printing.
>
> [...]
>

Thanks for pointing this out. Will fix this in next version.

>> +static const struct of_device_id ssif_bmc_match[] = {
>> +    { .compatible = "ampere,ssif-bmc" },
>
> Does this driver have any Ampere specific handling? If not, it could be
> "ssif-bmc" as a generic SSIF driver.
>
Will change as you suggested in next version.

>> +    { },
>> +};
>
> Add 'MODULE_DEVICE_TABLE(of, ssif_bmc_match);'
>
Will do in next version
>> +
>> +static const struct i2c_device_id ssif_bmc_id[] = {
>> +    { DEVICE_NAME, 0 },
>> +    { },
>> +};
>> +
>
> Remove this blank line.
>
Will update in next version

>> +MODULE_DEVICE_TABLE(i2c, ssif_bmc_id);
>> +
>> +static struct i2c_driver ssif_bmc_driver = {
>> +    .driver         = {
>> +        .name           = DEVICE_NAME,
>> +        .of_match_table = ssif_bmc_match,
>> +    },
>> +    .probe          = ssif_bmc_probe,
>> +    .remove         = ssif_bmc_remove,
>> +    .id_table       = ssif_bmc_id,
>> +};
>> +
>
> Remove this blank line too.
>
> -Jae
>

Thanks Jae for the review, will update in next version.
- Quan

>> +module_i2c_driver(ssif_bmc_driver);
>> +
>> +MODULE_AUTHOR("Quan Nguyen <quan@os.amperecomputing.com>");
>> +MODULE_AUTHOR("Chuong Tran <chuong@os.amperecomputing.com>");
>> +MODULE_DESCRIPTION("Linux device driver of the BMC IPMI SSIF
>> interface.");
>> +MODULE_LICENSE("GPL");
>
> [...]

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